No purchase, payment, or contribution necessary to enter or win. Contributing will not improve chances of winning. Void where prohibited. Entries must be received by midnight on December 31st, 2011. You may enter by contributing to Sponsor here or click here to enter without contributing. Three winners will each receive the following prize package: up to $1200 towards round-trip tickets for winner and a guest from within the fifty U.S. States, DC, or Puerto Rico to a destination to be determined by the Sponsor; hotel accommodations; and dinner with President Obama on a date to be determined by the Sponsor (approximate retail value of all prizes $4,800). Odds of winning depend on number of entries received. Promotion open only to U.S. citizens, or lawful permanent U.S. residents who are legal residents of 50 United States, District of Columbia and Puerto Rico and 18 or older (or of majority under applicable law). Promotion subject to Official Rules and additional restrictions on eligibility. Sponsor: Obama for America, 130 E. Randolph St., Chicago, IL 60601.